I was traveling with my whole family last week from LAX back to HKG. Our flight was 883. Upon checking in at the F counter, the ground agent smiled at me and congratulated me on hitting 500k miles, and then offered to upgrade me to the first class. He said, "would you like to take it or stay with your family at business class ?" Ha ha, that's a no brainer! I asked my wife if she would like to try F, but she said NO!!! What? No? Sigh....so I very reluctantly declined my first milestone upgrade. If only this had happened when I was traveling alone for business.....